Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

Long before it became the giant planet we see today, Jupiter was even bigger and had a much stronger magnetic field, according to a new study that looked back in time to reveal what the world was like ...

Astrophysicists found an exoplanet the size of Jupiter has a tail of gas seven times its own length—around 350,000 miles—resulting from its gas atmosphere burning off and being shaped by stellar winds ...

The Webb Space Telescope spotted a gas giant roughly the same diameter as Jupiter, but with six times the mass, orbiting a neighboring star, Epsilon Indi A. It might take this planet as long as 250 ...

If you happen to be out after sunset this weekend, look up for a Halloween treat: Big, bright Jupiter, the largest planet in our solar system, will be visible very near the full Hunter’s Moon. The ...

As Earth catches up to and passes Jupiter bringing it at its closest, biggest, and brightest in the evening sky. The bright star seen in the eastern evening sky in recent weeks isn't a star, it's a ...